Die-stock



(NoModeL) J W STRONG DIE STOCK.

NO. 323,464. V Patented Aug. 4; 1885.

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NITED STATES Arnivr tries,

DIE-STOCK.

srncrrroarroiv forming part of Letters Patent No. 323,464, dated Augu st 4,1885.

Application filed March 16, 1885. (No model.)

To all whom it may concern.-

Be it known that I, JOHN XV. STRONG, a citizen of the United States,residing at Bridgeport, in the county of Fairiield and State of Connecticut, have invented certain new and useful Improvements in Die-Stocks; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to certain novel and useful improvements in die-stocks, and has for its object to provide a device of this description in which the dies are readily removable, and which shall also be provided with a simple and durable rotary cutter, which may v be moved within or out of the field of action;

and with these ends in view my invention consists in the details of construction and combination of elements hereinafter fully explained, and then specifically designated by the claims.

I11 order that those skilled in the art to which my invention appertains may fully understand its construction and operation, I will proceed to describe the same in detail, referring by letter to the accompanying drawings, forming a part of this specification, in which- Figure l is a plan of a diestock embodying my improvements; Fig. 2, a side elevation, partly in section, showing the rotary cutter and means for operating the same.

Similar letters denote like parts in both the figures of the drawings.

A is the body of the stock, of ordinary construction; and B B, the handle-extensions. C are the handles, which are hollow and screw into the extensions B B. Through the handle of extension B passes a rod, D, having screw-threads near its inner end,which engage with corresponding threads at to within said extension. The end of this rod is shouldered at b, and is swiveled'within a cutter-block, E, the latter fitting and adapted to slide within one of the ordinary guides, I, of the die-stock. In the inner end of the cutter-block E is journaled a rotary cutter, G, in the ordinary manner.

II is a hand-piece, pivoted to the rod D at its outer end in such manner as to lie parallel with said rod when not in use, or be turned at right angles thereto when it is desired to turn the rod to operate the cutter.

From the above description it will be readily understood that when the cutter is not in use it will lie within the guide F out of the field of the pipe between the guides; but when it is desired to out thepipeit is only necessary to operate the rod D by means of its hand piece H, causing the screw to travel inward, and with it the block E and cutter.

l is the ordinary slotted segment, with the exception that at its end (Z the slot and counter-slot end in the same vertical plane, the object of which will be presently set forth. The segment I is formed integral with the ring J, which is secured by screws to the stock, as in stocks now in use.

K is a bolt secured to the plate or disk L, and projecting up through the slotted segment I. On this bolt runs athumh-nut,M, the lower portion, 6, of which is of a size sufficient to enter the counterslot, but not the slot, so that, as in the ordinary stock, the plate L may be turned to any desired point, and there held by the binding of the thumb-nut on the segment.

The movement of the plate L is limited by the shoulder e of the thumb nut striking against the end walls of the counter-slot, thus preventing the disengagement of the ribs (shown in dotted lines) on the inside of the plate from the dies N; but when it is desired to remove the dies it will be only necessary to run the thumbnut up until its shoulder c clears the top of the segment, when the disk will be free to move the distance occupied by the shoulder, or till the bolt comes in contact with the end wall of the slot, which will free the ribs of the plate from the dies, thus permitting the withdrawal of the latter from the ways in the stock.

The side walls of the counter-slot have no function in the device and could be omitted entirely, leaving the end wall, which forms an abutment to the nut.

I do not wish to be understood as claiming,

broadly, a rotary cutter in combination with a die-stock, for I am aware that such is not new, broadly, but

WVhat I do claim as new and useful is 1. In a die-stock, the cutter-block fittedand ISO adapted to slide within one of the guides of nation with the shouldered thumb-nut, sub 10 said stock, in combination with the rod D, stantially as set forth. threaded in one of the handle-extensions, its In testimony whereof I affix my signaturein forward end swiveled to the cutter-block and presence of two witnesses. 5 itsrear end passing outward through the han- T die, substantially as set forth. JOHN STROL 2. In a die-stock,- as described, the slotted Witnesses: segment, the slot and c0unter-s10t thereof S. S. WILLIAMSON, ending in the same vertical plane, in combi- H. T. SHELTON, Jr. 

